What is Bagasse? Let’s start with the easy stuff. It's pronounced: . What is it?Bagasse is a plant fiber. More specifically, it is the fibrousmatter that is left over after the production of sugarcane,sorghum or agave. So in a word, it is bio-waste. Historically,bagasse was treated as unusable and disposed of - thrown away,burned or left in open piles to rot. It was not seen as a usefulby-product. Fortunately, things have changed and bagasse is beingseen as a valuable, renewable resource. It is currently beingused in a number of applications worldwide, including powerproduction, tree-free paper production and in some countries itis being investigated as a viable base for livestock feed.